#include"comm.h"

int  main()
{
  int fd = open(FILE_NAME,O_WRONLY);
  if(fd < 0){
    printf("open error!\n");
    return 1;
  }

  int in = open("file.txt",O_RDONLY);
  char msg[128];
  while(1){
    msg[0] = 0;

    //printf("Please Enter# ");
    //fflush(stdout);
    dup2(in,0);
    ssize_t s = read(0,msg,sizeof(msg));
    if(s == sizeof(msg)){
      write(fd, msg,s);
    }
    else if(s < sizeof(msg)){
      write(fd,msg,s);
      printf("read end of file!\n");
      break;
    }
    else{
      break;
    }
  }

  close(in);
  close(fd);
  return 0;
}
